If you've ever walked into a room and been greeted by a musty odor, you know how unpleasant it can be. Musty smells in the home are often caused by mold, mildew, or stagnant air. Fortunately, there are several effective methods for banishing that unpleasant scent and restoring freshness to your living space. Here's how to get rid of musty smells in your home.